package com.elm.controller;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.elm.model.ShoppingCar;
import com.elm.model.User;
import com.elm.service.ShoppingCarService;
import com.elm.serviceimpl.ShoppingCarServiceImpl;
/**
 * 清理某项购物车信息
 * @author pgm
 *
 */
public class DeleteCarController extends HttpServlet{
	ShoppingCarService spcservice = new ShoppingCarServiceImpl();
	@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doPost(req, resp);
	}
	
	@Override
	protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		// TODO Auto-generated method stub
		req.setCharacterEncoding("utf8");
		HttpSession session = req.getSession();
		User user = (User) session.getAttribute("currentUser");
		int shoppingcarindex = Integer.parseInt(req.getParameter("shoppingcarindex"));
		//得到当前购物车内的所有对象
		List<ShoppingCar> carinfo = new ArrayList<ShoppingCar>();
		carinfo = (List<ShoppingCar>) session.getAttribute("carinfo");
		int carid = carinfo.get(shoppingcarindex-1).getCarid();
		spcservice.deleteCarInfo(carid);
	}
}
